On 14 Aug 2013, at 08:53, Stefan Hajnoczi wrote:
> The fork child can minimize the chance of out-of-memory by using
> madvise(MADV_DONTNEED) after pages have been written out.
This may also be helpful (last clause) before starting writing.
MADV_SEQUENTIAL
Expect page references in sequential order.
(Hence, pages in the given range can be aggressively
read ahead, and may be freed soon after they
are accessed.)
--
Alex Bligh
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